import book.BookList;
import user.AdminUser;
import user.NormalUser;
import user.User;

import java.util.Scanner;

public class Main {

    public static User login(){//向上转型

        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入你的姓名：");
        String name=scanner.nextLine();
        System.out.println("请选择你的身份：");
        System.out.println("1.管理员   2.普通用户");
        int choice=scanner.nextInt();
        if(choice==1){
            return new AdminUser(name);
        }else{
            return new NormalUser(name);
        }
    }



    public static void main(String[] args) {
        BookList bookList=new BookList();
        User user=login();
        while (true){
            int choice=user.menu();
            user.doOperation(choice,bookList);

        }
    }
}
